98486789 has 2 divisors, whose sum is σ = 98486790. Its totient is φ = 98486788.

The previous prime is 98486779. The next prime is 98486809. The reversal of 98486789 is 98768489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 14122564 = 9185^2 + 3758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98486789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98486779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49243394 + 49243395.

It is an arithmetic number, because the mean of its divisors is an integer number (49243395).

Almost surely, 2^98486789 is an apocalyptic number.

It is an amenable number.

98486789 is a deficient number, since it is larger than the sum of its proper divisors (1).

98486789 is an equidigital number, since it uses as much as digits as its factorization.

98486789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 59.

The square root of 98486789 is about 9924.0510377567. The cubic root of 98486789 is about 461.8057393720.

The spelling of 98486789 in words is "ninety-eight million, four hundred eighty-six thousand, seven hundred eighty-nine".